package com.example.springboot_zc.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.example.springboot_zc.pojo.TyData;
import org.apache.poi.ss.formula.functions.T;

import java.util.List;

public interface tydataService extends IService<TyData> {
    public Integer deleteByStu(String stuNum);
    public List<TyData> selectByStu(String stuNum);
}
